package template;

import java.io.*;
import java.util.StringTokenizer;

public class template {

    private static PrintWriter out=new PrintWriter(new BufferedWriter(new OutputStreamWriter(System.out)));
private Read1 read=new Read1();
    public static void main(String[] args) {

    }



    public static class Read1{

        StringTokenizer st=new StringTokenizer("");
        BufferedReader bf=new BufferedReader(new InputStreamReader(System.in));

        String next() throws IOException {
            while (st.hasMoreTokens()){
st=new StringTokenizer(bf.readLine());
            }
            return st.nextToken();
        }

        Integer nextInteger() throws IOException {
           return Integer.parseInt(next());
        }

Double nextDouble() throws IOException {
            return Double.parseDouble(next());
}

Long nextLong() throws IOException {
            return Long.parseLong(next());
}

    }


}
